* {
    user-select: none !important;
    -moz-user-select: none !important;
    -webkit-user-select: none !important;
    
    cursor: default !important;
    box-sizing: border-box;
}
html, body {
    height: 100%;
    margin: 0;
    padding: 6px;
}
pre.hl {
    margin: 0;
    white-space: pre;
}
.hl.lin {
    user-select: none;
    -moz-user-select: none;
    -webkit-user-select: none;
}
